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When I try to run for example optirun glxgears the glxgears window opens and closes immediately. It's the same for any other 3d-accelerated application. optirun firefox or optirun nautilus work though.

Strangely, everything was running fine until today. I didn't change anything, it just stopped working.

I'm running Ubuntu 13.10 with Linux-Kernel 3.13.0 on an MSI-GE40 Notebook with an nVidia GTX 760M graphics card with the "nvidia-331" driver and an Intel Core i7-4702MQ.

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Most likely an upgrade broke stuff. Does any error appears in the terminal? –  Braiam Jan 25 at 16:02
    
If you run optirun glxspheres does is not even give you a bug? maybe you should try verbose mode. Check out on IRC and github. –  don.joey Jan 25 at 16:03
    
BTW, why are you running kernel 3.13 on saucy? –  Braiam Jan 25 at 16:04
    
I just changed Bridge from auto to virtualgl in etc/bumblebee/bumblebee.conf and now it is working again. Very strange... Anyways, Thanks for your efforts –  käsebr0t Jan 25 at 19:01
    
Chances are you've got a broken nvidia, check dmesg. You may not be actually using your GPU anymore, even though apps are working. Related: askubuntu.com/questions/409465 –  Kent Fredric Jan 28 at 13:06

1 Answer 1

try primusrun glxgears, it need to help.

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